83Plus:BCALLs:47E0

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Synopsis

Unofficial Name: ILine

BCALL Address: 47E0

Draws a line on the graph screen.

Inputs

  • B: X-coordinate of first point (0-95)
  • C: Y-coordinate of first point (0-63)
  • D: X-coordinate of second point (0-95)
  • E: Y-coordinate of second point (0-63)
  • H: type of line to draw (0 for off, 1 for on, 2 to invert)
  • set fullScrnDraw,(iy+apiFlg4) to use column 95 and row 0
  • reset plotLoc,(iy+plotFlags) to draw to both display and plotSScreen
  • set bufferOnly,(iy+plotFlag3) to draw to plotSScreen only

Outputs

  • None

Destroys

  • None

Comments

This routine is affected by the Graphics Hook, if enabled.